842088959 has 2 divisors, whose sum is σ = 842088960. Its totient is φ = 842088958.

The previous prime is 842088953. The next prime is 842088967. The reversal of 842088959 is 959880248.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 842088959 - 2⁸ = 842088703 is a prime.

It is a super-2 number, since 2×842088959² = 1418227629739407362, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 842088959.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (842088953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421044479 + 421044480.

It is an arithmetic number, because the mean of its divisors is an integer number (421044480).

Almost surely, 2^842088959 is an apocalyptic number.

842088959 is a deficient number, since it is larger than the sum of its proper divisors (1).

842088959 is an equidigital number, since it uses as much as digits as its factorization.

842088959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1658880, while the sum is 53.

The square root of 842088959 is about 29018.7690814066. The cubic root of 842088959 is about 944.3202969513.

It can be divided in two parts, 8420 and 88959, that added together give a palindrome (97379).

The spelling of 842088959 in words is "eight hundred forty-two million, eighty-eight thousand, nine hundred fifty-nine".